Spiral propulsion type dredging device and method

• Main Authors: WEI GANG, LUO HAIFENG, YANG LIHUA, XIONG DENGYU
• Format: Patent
• Language: Chinese; English
• Published: 09.07.2019
• Subjects: DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; FIXED CONSTRUCTIONS; FLUSHING VALVES THEREFOR; SEWERAGE; SINKS; WATER SUPPLY; WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES

The invention discloses a spiral propulsion type dredging device and method. The spiral propulsion type dredging device comprises a handle (1), wherein the handle is connected with one end of a forcetransfer pipe (4), the other end of the force transfer pipe is connected with one end of a keel (6), a plurality of claws (7) are hinged to the other end of the keel, and a spring (9) is arranged between each claw and the keel; the force transfer pipe is sleeved by a sleeve (5) and is in threaded connection with the sleeve, and the handle connecting end of the force transfer pipe extends out of the sleeve to form a control end (41); the control end is provided with a claw controller (3), the claw controller is connected with one end of a force transfer rope (8), the other end of the force transfer rope is connected with the claw, the force transfer rope is released or tightened under the action of the claw controller, each claw is driven to press the corresponding spring to open when the force transfer rope is tig